#VU68391 Input validation error in ZoneMinder - CVE-2022-39291

Vulnerability identifier: #VU68391

Vulnerability risk: Low

CVSSv4.0: 2.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P/U:Clear]

CVE-ID: CVE-2022-39291

CWE-ID: CWE-20

Exploitation vector: Network

Exploit availability: Yes

Vulnerable software:
ZoneMinder
Other software / Other software solutions

Vendor: ZoneMinder.com

Description

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to insufficient validation of user-supplied input in the /zm/index.php endpoint. A remote user can pass specially crafted input to the application and perform a denial of service (DoS) attack.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

ZoneMinder: 1.36.26 - 1.37.23

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External links
https://github.com/ZoneMinder/zoneminder/commit/34ffd92bf123070cab6c83ad4cfe6297dd0ed0b4
https://github.com/ZoneMinder/zoneminder/commit/cb3fc5907da21a5111ae54128a5d0b49ae755e9b
https://github.com/ZoneMinder/zoneminder/commit/de2866f9574a2bf2690276fad53c91d607825408
https://github.com/ZoneMinder/zoneminder/security/advisories/GHSA-cfcx-v52x-jh74
https://github.com/ZoneMinder/zoneminder/commit/73d9f2482cdcb238506388798d3cf92546f9e40c

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability. However, proof of concept for this vulnerability is available.